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10105005506 = 25052502753
BaseRepresentation
bin10010110100100111…
…00010010111000010
3222002020100110121012
421122103202113002
5131143340134011
64350413200522
7505261062311
oct113223422702
928066313535
1010105005506
114316015222
121b60190142
13c506943cb
146bc098278
153e2200a8b
hex25a4e25c2

10105005506 has 4 divisors (see below), whose sum is σ = 15157508262. Its totient is φ = 5052502752.

The previous prime is 10105005503. The next prime is 10105005517. The reversal of 10105005506 is 60550050101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60550050101 = 173561767653.

It can be written as a sum of positive squares in only one way, i.e., 7628450281 + 2476555225 = 87341^2 + 49765^2 .

It is a super-2 number, since 2×101050055062 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10105005503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526251375 + ... + 2526251378.

Almost surely, 210105005506 is an apocalyptic number.

10105005506 is a deficient number, since it is larger than the sum of its proper divisors (5052502756).

10105005506 is an equidigital number, since it uses as much as digits as its factorization.

10105005506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052502755.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 10105005506 its reverse (60550050101), we get a palindrome (70655055607).

The spelling of 10105005506 in words is "ten billion, one hundred five million, five thousand, five hundred six".

Divisors: 1 2 5052502753 10105005506